[U-Boot] [PATCH] fdt: Rewrite the logic in fdt_fixup_ethernet()

[Joe Hershberger]

Hi Bin,

On Tue, Oct 27, 2015 at 11:10 AM, Bin Meng <bmeng.cn at gmail.com> wrote:
> Currently in fdt_fixup_ethernet() the MAC address fix up is
> handled in a loop of which the exit condition is to test the
> "eth%daddr" env is not NULL. However this creates unnecessary
> constrains that those "eth%daddr" env variables must be
> sequential even if "ethernet%d" does not start from 0 in the
> "/aliases" node. For example, with "/aliases" node below:
>
>     aliases {
>         ethernet3 = &enet3;
>         ethernet4 = &enet4;
>     };
>
> "ethaddr", "eth1addr", "eth2addr" must exist in order to fix
> up ethernet3's MAC address successfully.
>
> Now we change the loop logic to iterate the properties in the
> "/aliases" node. For each property, test if it is in a format
> of "ethernet%d", then get its MAC address from corresponding
> "eth%daddr" env and fix it up in the dtb.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>